refacto: move file quality control into a service implementing an interface

AoU-Admin/src/main/java/ch/unige/aou/service/DocumentFileProcessingService.java

@@ -13,7 +13,6 @@ import org.apache.commons.validator.routines.UrlValidator;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.boot.logging.LogLevel;
-import org.springframework.http.MediaType;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.client.ResourceAccessException;
@@ -152,10 +151,9 @@ public class DocumentFileProcessingService extends AouService {
 
     documentFile.setStatus(DocumentFileStatus.READY);
 
-    // check if document is a pdf and verify that we can read its content
-    if (MediaType.APPLICATION_PDF_VALUE.equals(mimetype)) {
-      this.documentFileService.checkDocumentValidity(documentFile);
-    }
+    // check document file quality
+    this.logDocumentFileMessage(LogLevel.INFO, documentFile, "quality of file will be evaluated");
+    this.documentFileService.checkFileValidity(documentFile);
   }
 
   private void processCleaningDocumentFile(DocumentFile documentFile) {